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Java 11 migrate all remaining s (#1120)

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* Moves saga to Java 11

* Moves semaphore to Java 11

* Moves servant to Java 11

* Moves serverless to Java 11

* Moves service-layer to Java 11

* Moves service-locator to Java 11

* Moves sharding to Java 11

* Moves singleton to Java 11

* Moves spatial-partition to Java 11

* Moves specification to Java 11

* Moves state to Java 11

* Moves step-builder to Java 11

* Moves strategy to Java 11

* Moves subclass-sandbox to Java 11

* Fixes checkstyle issues
This commit is contained in:
Anurag Agarwal
2020-01-04 22:06:08 +05:30
committed by Ilkka Seppälä
parent 310ae50248
commit cd2a2e7711
98 changed files with 718 additions and 855 deletions
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sharding/src/main/java/com/iluwatar/sharding/App.java
+20 -20
View File
@@ -24,14 +24,14 @@
package com.iluwatar.sharding;
/**
* Sharding pattern means dividing a data store into a set of horizontal partitions
* or shards. This pattern can improve scalability when storing and accessing large
* volumes of data.
* Sharding pattern means dividing a data store into a set of horizontal partitions or shards. This
* pattern can improve scalability when storing and accessing large volumes of data.
*/
public class App {
/**
* Program main entry point.
*
* @param args program runtime arguments
*/
public static void main(String[] args) {
@@ -45,7 +45,7 @@ public class App {
var shard2 = new Shard(2);
var shard3 = new Shard(3);
ShardManager manager = new LookupShardManager();
var manager = new LookupShardManager();
manager.addNewShard(shard1);
manager.addNewShard(shard2);
manager.addNewShard(shard3);
@@ -58,27 +58,27 @@ public class App {
shard2.clearData();
shard3.clearData();
manager = new RangeShardManager();
manager.addNewShard(shard1);
manager.addNewShard(shard2);
manager.addNewShard(shard3);
manager.storeData(data1);
manager.storeData(data2);
manager.storeData(data3);
manager.storeData(data4);
var rangeShardManager = new RangeShardManager();
rangeShardManager.addNewShard(shard1);
rangeShardManager.addNewShard(shard2);
rangeShardManager.addNewShard(shard3);
rangeShardManager.storeData(data1);
rangeShardManager.storeData(data2);
rangeShardManager.storeData(data3);
rangeShardManager.storeData(data4);
shard1.clearData();
shard2.clearData();
shard3.clearData();
manager = new HashShardManager();
manager.addNewShard(shard1);
manager.addNewShard(shard2);
manager.addNewShard(shard3);
manager.storeData(data1);
manager.storeData(data2);
manager.storeData(data3);
manager.storeData(data4);
var hashShardManager = new HashShardManager();
hashShardManager.addNewShard(shard1);
hashShardManager.addNewShard(shard2);
hashShardManager.addNewShard(shard3);
hashShardManager.storeData(data1);
hashShardManager.storeData(data2);
hashShardManager.storeData(data3);
hashShardManager.storeData(data4);
shard1.clearData();
shard2.clearData();
sharding/src/main/java/com/iluwatar/sharding/LookupShardManager.java
+1 -2
View File
@@ -58,8 +58,7 @@ public class LookupShardManager extends ShardManager {
return lookupMap.get(key);
} else {
var shardCount = shardMap.size();
var allocatedShardId = new Random().nextInt(shardCount - 1) + 1;
return allocatedShardId;
return new Random().nextInt(shardCount - 1) + 1;
}
}
sharding/src/main/java/com/iluwatar/sharding/RangeShardManager.java
+6 -11
View File
@@ -27,8 +27,8 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* ShardManager with range strategy. This strategy groups related items together
* in the same shard, and orders them by shard key.
* ShardManager with range strategy. This strategy groups related items together in the same shard,
* and orders them by shard key.
*/
public class RangeShardManager extends ShardManager {
@@ -46,21 +46,16 @@ public class RangeShardManager extends ShardManager {
@Override
protected int allocateShard(Data data) {
var type = data.getType();
var shardId = -1;
switch (type) {
case type1:
shardId = 1;
break;
return 1;
case type2:
shardId = 2;
break;
return 2;
case type3:
shardId = 3;
break;
return 3;
default:
break;
return -1;
}
return shardId;
}
}